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Navigation: Code Documentation > RSCharting > RSChartPanel > Classes

TRSChartLabelMetaData Class

Extends the RSChartPanel.TRSCustomChartLabel class and publishes the metadata of a label, e.g., all the properties about the label except for the label itself. This class is useful for classes such as the RSChartPanel.TRSChartLegend class, where you don't want to publish the Text property because the label is automatically generated by the charts yet you do want to publish properties to control the appearance of the label.

Namespace: RSChartPanel

Name

Description

published property

Alignment

Represents property Alignment.

published property

Angle

Represents property Angle.

published property

Font

Represents property Font.

public property

OnChange

Occurs immediately after the chart graphic object changes. Write an OnChange event handler to take specific action when the chart graphic changes. The properties of the chart graphic reflect the new settings when OnChange occurs.

Warning
For chart graphics that a chart or chart panel creates, you shouldn't assign a handler to this event. The chart or chart panel has already assigned an event handler.

published property

Opacity

Represents property Opacity.

public property

Text

Specifies the text of the label (Inherited from RSChartPanel.TRSCustomChartLabel.)

published property

Visible

Represents property Visible.

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Name

Description

public method

Assign(TPersistent)

Copies the contents of another similar object to the current object

Notes to Inheritors
Most objects override Assign to handle the assignment of properties from similar objects. When overriding Assign, call the inherited method if the destination object cannot handle the assignment of properties from the class of the Source parameter

protected method

Changed

Overloaded. Represents method Changed. (Inherited from RSChartPanel.TRSChartGraphic.)

public method

Clone

Creates a "deep" copy of the chart graphic. It constructs a new chart graphic of the correct type and then calls the Assign method to copy its properties to the new copy. (Inherited from RSChartPanel.TRSChartGraphic.)

public method

Draw(TCanvas,TCanvasRect)

Overloaded. Paints the chart graphic to the specified Canvas in the specified location. It uses the current canvas' brush and pen. Use the Draw method to paint the chart graphic to any canvas and anywhere and with any size on the canvas.

Notes to Inheritors
Descendant classes of TRSChartGraphic override the InternalDraw method to actually paint themselves.

public method

Draw(TCanvas,TCanvasRect,TRSChartAxis,TRSChartAxis)

The VertAxis and HorizAxis parameters can be used to provide point to pixel conversions (see RSChartPanel.TRSChartAxis ).

Notes to Inheritors
Descendant classes of TRSChartGraphic override the InternalDraw method to actually paint themselves.

protected method

Drawing(TCanvas,TCanvasRect)

Represents method Drawing(TCanvas,TCanvasRect). (Overrides RSChartPanel.TRSChartGraphic.Drawing(TCanvas,TCanvasRect).)

protected method

Drawn(TCanvas,TCanvasRect)

Represents method Drawn(TCanvas,TCanvasRect). (Inherited from RSChartPanel.TRSChartGraphic.)

protected method

GetText

Represents method GetText. (Inherited from RSChartPanel.TRSCustomChartLabel.)

protected method

Initialize

Represents method Initialize. (Overrides RSChartPanel.TRSChartGraphic.Initialize.)

protected method

InitializeEvents

Represents method InitializeEvents. (Overrides RSChartPanel.TRSChartGraphic.InitializeEvents.)

protected method

InternalDraw(TCanvas,TCanvasRect)

Represents method InternalDraw(TCanvas,TCanvasRect). (Overrides RSChartPanel.TRSChartGraphic.InternalDraw(TCanvas,TCanvasRect).)

protected method

SenderChanged(TObject)

Overloaded. Represents method SenderChanged(TObject). (Inherited from RSChartPanel.TRSChartGraphic.)

protected method

SetFont(TFont)

Represents method SetFont(TFont). (Inherited from RSChartPanel.TRSCustomChartLabel.)

protected method

SetText(String)

Represents method SetText(String). (Inherited from RSChartPanel.TRSCustomChartLabel.)

public method

TiledDraw(TCanvas,TCanvasRect,TTileGraphic,TCanvasPixel,TCanvasPixel)

Overloaded. Tiles the image across the entire input rectangle.

The Image is drawn at full size from the top left of the ARect across and down until outside of the input rectangle. Use the overloaded TiledDraw methods to constrain the size of the Image.

public method

TiledDraw(TCanvas,TCanvasRect,TTileGraphic,TCanvasPixel,TCanvasPixel,TCanvasPixel,TCanvasPixel)

Overloaded. Tiles the image across the entire input rectangle.

The Image is drawn at ImageWidth, ImageHeight size from the top left of the ARect across and down until outside of the input rectangle.

public method

TiledDraw(TCanvas,TCanvasRect,TTileGraphic,TCanvasRect)

Overloaded. Tiles the image across the entire input rectangle.

The Image is drawn at ImageRect size from the top left of the ARect across and down until outside of the input rectangle.

protected method

VisibleChanged

Represents method VisibleChanged. (Inherited from RSChartPanel.TRSChartGraphic.)

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	Name	Description
	OnDraw	Occurs just after the chart graphic is painted. Write an OnDraw event handler to take specific action when the chart graphic has finished painting. The OnDraw event also allows you to do custom painting after the chart graphic has painted. (Inherited from RSChartPanel.TRSChartGraphic.)
	OnDrawing	Occurs just before the chart graphic is painted. Write an OnDrawing event handler to take specific action when the chart graphic is about to paint. If the event handler sets the DoDraw parameter to False, the chart graphic will not be painted. The OnDraw event also allows you to do custom painting before the chart graphic has been painted. (Inherited from RSChartPanel.TRSChartGraphic.)

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